High-sensitivity mutual-capacitance in-cell touch display panel device

Abstract

A high-sensitivity mutual-capacitance in-cell touch display panel device includes plural receiving sensing electrodes, a display control circuit, a touch sensing control circuit, and a touch signal driving circuit. The display control circuit is powered by a first power source and connected to a first ground. The touch sensing control circuit is coupled to the plural receiving sensing electrodes. The touch sensing control circuit is powered by a second power source and connected to a second ground, wherein the first power source and the first ground are different from the second power source and the second ground. The touch signal driving circuit is connected to the touch sensing control circuit and a common voltage layer. The touch sensing control circuit applies a touch signal to the touch signal driving circuit to generate a transmitting signal for being applied to the common voltage layer.

What is claimed is: 
     
         1 . A high-sensitivity mutual-capacitance in-cell touch display panel device, comprising:
 a first substrate;   a second substrate parallel to the first substrate;   a display material layer configured between the first substrate and the second substrate;   a common voltage layer disposed between the first substrate and the display material layer;   a plurality of receiving sensing electrodes disposed between the first substrate and the common voltage layer;   a display control circuit for controlling the high-sensitivity mutual-capacitance in-cell touch display panel device to display image, wherein the display control circuit is powered by a first power source and is connected to a first ground;   a touch sensing control circuit coupled to the plurality of receiving sensing electrodes for receiving a touch sensing signal sensed by each receiving sensing electrode, wherein the touch sensing control circuit is powered by a second power source and is connected to a second ground; and   a touch signal driving circuit connected to the touch sensing control circuit and the common voltage layer,   wherein the first power source and the first ground are different from the second power source and the second ground and, in touch sensing detection, the touch sensing control circuit applies a touch signal to the touch signal driving circuit to generate a transmitting signal for being applied to the common voltage layer, and the plurality of receiving sensing electrodes receives the touch sensing signals.   
     
     
         2 . The high-sensitivity mutual-capacitance in-cell touch display panel device as claimed in  claim 1 , further comprising:
 a black matrix layer disposed at one side of the first substrate facing the display material layer, the black matrix layer being composed of a plurality of opaque lines arranged in a first direction and a second direction thereby defining a plurality of light-penetrating blocks, wherein the first direction is perpendicular to the second direction;   a color filter layer disposed at one side of black matrix layer facing the display material layer;   a first polarizer layer disposed at one side the first substrate opposite to the other side of the first substrate facing the display material layer;   a thin film transistor layer disposed at the side of the second substrate facing the display material layer, and including K gate lines and L source lines, where K and L are each a positive integer, the K gate lines being arranged in the first direction and the L source lines being arranged in the second direction for forming a plurality of pixel blocks, each pixel block having a pixel transistor and a capacitor corresponding thereto, so as to drive the corresponding pixel transistor and capacitor according to a display pixel signal and a display driving signal thereby performing a display operation; and   a second polarizer layer disposed at one side of the second substrate opposite to the other side of the second substrate facing the display material layer,   wherein the plurality of opaque lines are disposed at positions corresponding to those of the K gate lines and L source lines.   
     
     
         3 . The high-sensitivity mutual-capacitance in-cell touch display panel device as claimed in  claim 2 , wherein each of the receiving sensing electrodes is a polygon, circle, ellipse, star, wedge shape, radiation shape, triangle, pentagon, hexagon, octagon, rectangle, or square. 
     
     
         4 . The high-sensitivity mutual-capacitance in-cell touch display panel device as claimed in  claim 3 , wherein each of the receiving sensing electrodes is made of material selected from the group consisting of indium tin oxide, zinc tin oxide thin film, ETO, nano silver, conductive polymer, carbon nanotube, and graphene. 
     
     
         5 . A high-sensitivity mutual-capacitance in-cell touch display panel device, comprising:
 a first substrate;   a common voltage layer;   a second substrate parallel to the first substrate;   a display material layer configured between the first substrate and the second substrate;   a plurality of receiving sensing electrodes, each formed by metal mesh;   a display control circuit for controlling the high-sensitivity mutual-capacitance in-cell touch display panel device to display image, wherein the display control circuit is powered by a first power source and is connected to a first ground;   a touch sensing control circuit coupled to the plurality of receiving sensing electrodes for receiving a touch sensing signal sensed by each receiving sensing electrode, wherein the touch sensing control circuit is powered by a second power source and is connected to a second ground; and   a touch signal driving circuit connected to the touch sensing control circuit and the common voltage layer,   wherein the first power source and the first ground are different from the second power source and the second ground and, in touch sensing detection, the touch sensing control circuit applies a touch signal to the touch signal driving circuit to generate a transmitting signal for being applied to the common voltage layer, and the plurality of receiving sensing electrodes receives the touch sensing signals.   
     
     
         6 . The high-sensitivity mutual-capacitance in-cell touch display panel device as claimed in  claim 5 , further comprising:
 a black matrix layer disposed at one side of the first substrate facing the display material layer, the black matrix layer being composed of a plurality of opaque lines arranged in a first direction and a second direction thereby defining a plurality of light-penetrating blocks, wherein the first direction is perpendicular to the second direction;   a color filter layer disposed at one side of black matrix layer facing the display material layer;   a first polarizer layer disposed at one side the first substrate opposite to the other side of the first substrate facing the display material layer;   a thin film transistor layer disposed at the side of the second substrate facing the display material layer, and including K gate lines and L source lines, where K and L are each a positive integer, the K gate lines being arranged in the first direction and the L source lines being arranged in the second direction for forming a plurality of pixel blocks, each pixel block having a pixel transistor and a capacitor corresponding thereto, so as to drive the corresponding pixel transistor and capacitor according to a display pixel signal and a display driving signal thereby performing a display operation; and   a second polarizer layer disposed at one side of the second substrate opposite to the other side of the second substrate facing the display material layer.   
     
     
         7 . The high-sensitivity mutual-capacitance in-cell touch display panel device as claimed in  claim 6 , wherein the plurality of opaque lines is disposed at positions corresponding to those of the K gate lines and L source lines. 
     
     
         8 . The high-sensitivity mutual-capacitance in-cell touch display panel device as claimed in  claim 7 , wherein each receiving sensing electrode formed by metal mesh is a polygon, circle, ellipse, star, wedge shape, radiation shape, triangle, pentagon, hexagon, octagon, rectangle, or square. 
     
     
         9 . The high-sensitivity mutual-capacitance in-cell touch display panel device as claimed in  claim 8 , wherein each receiving sensing electrode formed by metal mesh is made of material selected from the group consisting of chromium, barium, molybdenum, aluminum, silver, copper, titanium, nickel, tantalum, cobalt, tungsten, magnesium, calcium, potassium, lithium, indium, an alloy thereof, fluorine lithium, magnesium fluoride, and lithium oxide. 
     
     
         10 . The high-sensitivity mutual-capacitance in-cell touch display panel device as claimed in  claim 9 , wherein the plurality of sensing electrodes is disposed at one side of the black matrix layer facing the display material layer. 
     
     
         11 . The high-sensitivity mutual-capacitance in-cell touch display panel device as claimed in  claim 9 , wherein the plurality of sensing electrodes is disposed in the thin film transistor layer. 
     
     
         12 . A high-sensitivity mutual-capacitance in-cell touch display panel device, comprising:
 a first substrate;   a second substrate parallel to the first substrate;   a display material layer configured between the first substrate and the second substrate;   a cathode layer disposed at one side of the first substrate facing the display material;   a plurality of receiving sensing electrodes disposed between the first substrate and the second substrate;   a display control circuit for controlling the high-sensitivity mutual-capacitance in-cell touch display panel device to display image, wherein the display control circuit is powered by a first power source and is connected to a first ground;   a touch sensing control circuit coupled to the plurality of receiving sensing electrodes for receiving a touch sensing signal sensed by each receiving sensing electrode, wherein the touch sensing control circuit is powered by a second power source and is connected to a second ground; and   a touch signal driving circuit connected to the touch sensing control circuit and the cathode layer,   wherein the first power source and the first ground are different from the second power source and the second ground and, in touch sensing detection, the touch sensing control circuit applies a touch signal to the touch signal driving circuit to generate a transmitting signal for being applied to the cathode layer, and the plurality of receiving sensing electrodes receives the touch sensing signals.   
     
     
         13 . The high-sensitivity mutual-capacitance in-cell touch display panel device as claimed in  claim 12 , further comprising:
 a thin film transistor layer disposed at one side of the second substrate facing the display material layer, and including K gate lines and L source lines, where K and L are each a positive integer, the K gate lines being arranged in a first direction and the L source lines being arranged in a second direction for forming a plurality of pixel blocks, each pixel block having a pixel transistor and a capacitor corresponding thereto, so as to drive the corresponding pixel transistor and capacitor according to a display pixel signal and a display driving signal thereby performing a display operation, wherein the first direction is perpendicular to the second direction.   
     
     
         14 . The high-sensitivity mutual-capacitance in-cell touch display panel device as claimed in  claim 13 , further comprising:
 a black matrix layer disposed at one side of the first substrate facing the display material layer, the black matrix layer being composed of a plurality of opaque lines arranged in the first direction and the second direction thereby defining a plurality of light-penetrating blocks; and   a color filter layer disposed at one side of black matrix layer facing the display material layer,   wherein the plurality of opaque lines is disposed at positions corresponding to those of the K gate lines and L source lines.   
     
     
         15 . The high-sensitivity mutual-capacitance in-cell touch display panel device as claimed in  claim 13 , wherein each of the receiving sensing electrodes is a polygon, circle, ellipse, star, wedge shape, radiation shape, triangle, pentagon, hexagon, octagon, rectangle, or square. 
     
     
         16 . The high-sensitivity mutual-capacitance in-cell touch display panel device as claimed in  claim 15 , wherein each of the receiving sensing electrodes is made of material selected from the group consisting of indium tin oxide, zinc tin oxide thin film, ETO, nano silver, conductive polymer, carbon nanotube, and graphene. 
     
     
         17 . The high-sensitivity mutual-capacitance in-cell touch display panel device as claimed in  claim 15 , wherein each receiving sensing electrode is formed by metal mesh. 
     
     
         18 . The high-sensitivity mutual-capacitance in-cell touch display panel device as claimed in  claim 17 , wherein each receiving sensing electrode formed by metal mesh is made of material selected from the group consisting of chromium, barium, molybdenum, aluminum, silver, copper, titanium, nickel, tantalum, cobalt, tungsten, magnesium, calcium, potassium, lithium, indium, an alloy thereof, fluorine lithium, magnesium fluoride, and lithium oxide. 
     
     
         19 . The high-sensitivity mutual-capacitance in-cell touch display panel device as claimed in  claim 18 , wherein the plurality of receiving sensing electrodes is disposed at one side of the black matrix layer facing the display material layer. 
     
     
         20 . The high-sensitivity mutual-capacitance in-cell touch display panel device as claimed in  claim 18 , wherein the plurality of receiving sensing electrodes is disposed in the thin film transistor layer. 
     
     
         21 . A high-sensitivity mutual-capacitance in-cell touch display panel device, comprising:
 a first substrate;   a second substrate parallel to the first substrate;   a display material layer configured between the first substrate and the second substrate;   an anode layer disposed at one side of the first substrate facing the display material layer;   a plurality of receiving sensing electrodes disposed between the first substrate and the second substrate;   a display control circuit for controlling the high-sensitivity mutual-capacitance in-cell touch display panel device to display image, wherein the display control circuit is powered by a first power source and is connected to a first ground;   a touch sensing control circuit coupled to the plurality of receiving sensing electrodes for receiving a touch sensing signal sensed by each receiving sensing electrode, wherein the touch sensing control circuit is powered by a second power source and is connected to a second ground; and   a touch signal driving circuit connected to the touch sensing control circuit and the anode layer,   wherein the first power source and the first ground are different from the second power source and the second ground and, in touch sensing detection, the touch sensing control circuit applies a touch signal to the touch signal driving circuit to generate a transmitting signal for being applied to the anode layer, and the plurality of receiving sensing electrodes receives the touch sensing signals.   
     
     
         22 . The high-sensitivity mutual-capacitance in-cell touch display panel device as claimed in  claim 21 , further comprising:
 a thin film transistor layer disposed at one side of the second substrate facing the display material layer, and including K gate lines and L source lines, where K and L are each a positive integer, the K gate lines being arranged in a first direction and the L source lines being arranged in a second direction for forming a plurality of pixel blocks, each pixel block having a pixel transistor and a capacitor corresponding thereto, so as to drive the corresponding pixel transistor and capacitor according to a display pixel signal and a display driving signal thereby performing a display operation, wherein the first direction is perpendicular to the second direction.   
     
     
         23 . The high-sensitivity mutual-capacitance in-cell touch display panel device as claimed in  claim 22 , further comprising:
 a black matrix layer disposed at one side of the first substrate facing the display material layer, the black matrix layer being composed of a plurality of opaque lines arranged in the first direction and the second direction thereby defining a plurality of light-penetrating blocks; and   a color filter layer disposed at one side of black matrix layer facing the display material layer,   wherein the plurality of opaque lines is disposed at positions corresponding to those of the K gate lines and L source lines.   
     
     
         24 . The high-sensitivity mutual-capacitance in-cell touch display panel device as claimed in  claim 22 , wherein each of the receiving sensing electrodes is a polygon, circle, ellipse, star, wedge shape, radiation shape, triangle, pentagon, hexagon, octagon, rectangle, or square. 
     
     
         25 . The high-sensitivity mutual-capacitance in-cell touch display panel device as claimed in  claim 24 , wherein each of the receiving sensing electrodes is made of material selected from the group consisting of indium tin oxide, zinc tin oxide thin film, ETO, nano silver, conductive polymer, carbon nanotube, and graphene. 
     
     
         26 . The high-sensitivity mutual-capacitance in-cell touch display panel device as claimed in  claim 24 , wherein each receiving sensing electrode is formed by metal mesh. 
     
     
         27 . The high-sensitivity mutual-capacitance in-cell touch display panel device as claimed in  claim 26 , wherein each receiving sensing electrode formed by metal mesh is made of material selected from the group consisting of chromium, barium, molybdenum, aluminum, silver, copper, titanium, nickel, tantalum, cobalt, tungsten, magnesium, calcium, potassium, lithium, indium, an alloy thereof, fluorine lithium, magnesium fluoride, and lithium oxide. 
     
     
         28 . The high-sensitivity mutual-capacitance in-cell touch display panel device as claimed in  claim 27 , wherein the plurality of receiving sensing electrodes is disposed at one side of the black matrix layer facing the display material layer. 
     
     
         29 . The high-sensitivity mutual-capacitance in-cell touch display panel device as claimed in  claim 27 , wherein the plurality of receiving sensing electrodes is disposed in the thin film transistor layer.